Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual é o menor tamanho de multidão para o oval de Punt Road?
 ###Tabelas: CREATE TABLE top_50_quarterbacks_in_nfl_history (top_50_quarterbacks_in_nfl_history_id AUTO_INCREMENT PRIMARY KEY, Rank INT, Quarterback VARCHAR, Seasons VARCHAR, Teams VARCHAR, Team Wins INT, Team Losses INT, Career Wins INT, Career Losses INT, Ties INT) CREATE TABLE round_12 (round_12_id AUTO_INCREMENT PRIMARY KEY, Home team VARCHAR, Home team score VARCHAR, Away team VARCHAR, Away team score VARCHAR, Venue VARCHAR, Crowd INT, Date VARCHAR) CREATE TABLE farm_team_league (farm_team_league_id AUTO_INCREMENT PRIMARY KEY, Position INT, Club VARCHAR, Games played INT, Wins INT, Draws INT, Loses INT, Goals scored INT, Goals conceded INT, Points INT) CREATE TABLE spaceflight_by_year (spaceflight_by_year_id AUTO_INCREMENT PRIMARY KEY, Rocket launch VARCHAR, Launch Date VARCHAR, Mission VARCHAR, Institutional authority VARCHAR, Launch Site VARCHAR, Outcomes VARCHAR, Derivatives VARCHAR) CREATE TABLE 1997_fixtures_and_results (1997_fixtures_and_results_id AUTO_INCREMENT PRIMARY KEY, Date VARCHAR, Competition VARCHAR, Venue VARCHAR, Result VARCHAR, Score VARCHAR, Goals VARCHAR)  
SELECT MIN Crowd FROM round_12 WHERE Venue = punt road oval